2XRS
Crystal structures exploring the origins of the broader specificity of escherichia coli heat-labile enterotoxin compared to cholera toxin
Entity
Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
1 | A, B, C, D, E... (D, E, F, G, H...) | HEAT-LABILE ENTEROTOXIN B CHAIN | polymer | 103 | 11807.5 | 10 | UniProt (P32890) Pfam (PF01376) | ESCHERICHIA COLI | LT-B\, PORCINE, LTP-B, AB5 TOXIN B SUBUNIT |
2 | K, M, N, O, P... (A, C, I, J, K...) | beta-D-galactopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose | branched | 383.3 | 7 | In PDB GlyTouCan (G00055MO) | |||
3 | L, Q (B, Q) | beta-D-galactopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-3)-beta-D-galactopyranose | branched | 545.5 | 2 | In PDB GlyTouCan (G06580KR) | |||
4 | T (N) | beta-D-galactopyranose | non-polymer | 180.2 | 1 | Chemie (GAL) | |||
5 | AA, BA, CA, DA, U... (M, N, O, P, D...) | water | water | 18.0 | 819 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
Polymers | Number of chains | 10 |
Total formula weight | 118075.4 | |
Branched | Number of molecules | 9 |
Total formula weight | 3774.4 | |
Non-Polymers* | Number of molecules | 1 |
Total formula weight | 180.2 | |
All* | Total formula weight | 122030.0 |